Changes for page DMT01

Last modified by Mengting Qiu on 2025/08/11 18:25

From version 53.2
edited by Mengting Qiu
on 2025/08/04 19:43
Change comment: There is no comment for this version
To version 49.1
edited by Mengting Qiu
on 2025/08/04 18:13
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
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350 350  
351 351  
352 352  
353 -==== (% style="color:#4472c4" %)**Unit timestamp**(%%) ====
353 +(% class="wikigeneratedid" id="HUnittimestamp" %)
354 +(% style="color:#4472c4" %)**Unit timestamp**
354 354  
355 355  Unit TimeStamp Example: 689085D7(H) = 1754301911(D)
356 356  
... ... @@ -357,9 +357,10 @@
357 357  Put the decimal value into this link([[https:~~/~~/www.epochconverter.com)>>https://www.epochconverter.com]])to get the time.
358 358  
359 359  
360 -==== (% style="color:#4472c4" %)**DevMode**(%%) ====
361 +(% class="wikigeneratedid" id="HDevMode" %)
362 +(% style="color:#4472c4" %)**DevMode**
361 361  
362 -**Example**
364 +Example:
363 363  
364 364  If payload is 0x01: BLE_LoRa
365 365  
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368 368  If payload is 0x03: BLE
369 369  
370 370  
371 -==== (% style="color:#4472c4" %)**MACaddr**(%%) ====
373 +(% class="wikigeneratedid" id="HMACaddr" %)
374 +(% style="color:#4472c4" %)**MACaddr**
372 372  
373 -**Example**:
376 +Example:
374 374  
375 375  If the payload is C12309250F1A, the MACaddr is C12309250F1A
376 376  
377 377  
378 -==== (% style="color:#4472c4" %)**ProbeBat**(%%) ====
381 +(% class="wikigeneratedid" id="HProbeBat" %)
382 +(% style="color:#4472c4" %)**ProbeBat**
379 379  
380 380  **Example:**
381 381  
382 -If payload is 0x64 = 100%
386 +If payload & 0x01 = 0x01  **~-~->** This is an Alarm Message.It means that the temperature and humidity exceed the alarm value or trigger an interrupt.
383 383  
388 +If payload & 0x01 = 0x00  **~-~->** This is a normal uplink message, no alarm.
384 384  
385 -==== (% style="color:#4472c4" %)**BoxBat**(%%) ====
390 +If payload & 0x80>>7 = 0x01  **~-~->** The PA8 is low level.
386 386  
387 -**Example:**
392 +If payload & 0x80>>7 =0x00  **~-~->** The PA8 is high level.
388 388  
389 -If payload is 0x46 = 70%
394 +If payload >> 2 = 0x00  **~-~->**  means MOD=1, This is a sampling uplink message.
390 390  
396 +If payload >> 2 = 0x31  **~-~->**  means MOD=31, this message is a reply message for polling, this message contains the alarm settings. see [[this link>>path:#HPolltheAlarmsettings:]] for detail.
391 391  
392 -==== (% style="color:#4472c4" %)**Food temperature**(%%) ====
393 393  
394 -Because the food temperature data is a little-endian sequence, the order of the front and back bytes needs to be swapped during decoding.
399 +(% class="wikigeneratedid" id="HBoxBat" %)
400 +(% style="color:#4472c4" %)**BoxBat**
395 395  
396 -**Example**:
402 +Sensor Battery Level.
397 397  
398 -If payload is: D300H = 00D3H, temp = 00D3H /10 = 21.1 degree
404 +Ex1: 0x0B45 = 2885mV
399 399  
400 -If payload is: 3FFFH  = FF3F , temp = (FF3FH - 65536)/10 = -19.3 degrees.
406 +Ex2: 0x0B49 = 2889mV
401 401  
402 402  
403 -==== (% style="color:#4472c4" %)**Ambient temperature**(%%) ====
409 +(% style="color:#4472c4" %)**Food temperature**
404 404  
405 -Because the food temperature data is a little-endian sequence, the order of the front and back bytes needs to be swapped during decoding.
406 -
407 407  **Example**:
408 408  
409 -If payload is: D200H = 00D2H, temp = 00D2H /10 = 21.0 degree
413 +If payload is: 0105H (0105 & 8000 == 0), temp = 0105H /10 = 26.1 degree
410 410  
411 -If payload is: 3FFFH  = FF3F , temp = (FF3FH - 65536)/10 = -19.3 degrees.
415 +If payload is: FF3FH :  (FF3F & 8000 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
412 412  
417 +(FF3F & 8000:Judge whether the highest bit is 1, when the highest bit is 1, it is negative)
413 413  
414 414  
415 -== 2.4 Bluetoothe Broadcast Payload ==
420 +(% style="color:#4472c4" %)**Ambient temperature**
416 416  
417 -=== 2.4.1 Scanning Tools ===
418 -
419 -Scan and obtain DMT01 device broadcast data through a third-party mobile phone app (such as nRF Connect)
420 -
421 -Example:
422 -
423 -Note: The following data is obtained through the **nRF Connect tool**.
424 -
425 -[[image:1754305290140-806.jpg||height="680" width="432"]]
426 -
427 -
428 -If the scanned payload is 0x0201060609444D5430310EFF  **01C12309250F1AD100CD006446   **0512E001E001
429 -
430 -(% style="color:red" %)**Note**(%%):
431 -
432 -* The first 12 bytes in the payload are the Bluetooth packet header data and do not need to be decoded.
433 -* The last 6 bytes in the payload are the Bluetooth packet trailer data and do not need to be decoded.
434 -
435 -So the payload is:**01C12309250F1AD100CD006446**
436 -
437 -
438 -==== (% style="color:#4472c4" %)**DevMode**(%%) ====
439 -
440 -**Example**:
441 -
442 -If payload is 0x01: BLE_LoRa
443 -
444 -If payload is 0x02: LoRa
445 -
446 -If payload is 0x03: BLE
447 -
448 -
449 -==== (% style="color:#4472c4" %)**MACaddr**(%%) ====
450 -
451 451  **Example**:
452 452  
453 -If the payload is C12309250F1A, the MACaddr is C12309250F1A
424 +If payload is: 0105H:  (0105 & 8000 == 0), temp = 0105H /10 = 26.1 degree
454 454  
426 +If payload is: FF3FH :  (FF3F & 8000 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
455 455  
456 -==== (% style="color:#4472c4" %)**ProbeBat**(%%) ====
428 +(FF3F & 8000:Judge whether the highest bit is 1, when the highest bit is 1, it is negative)
457 457  
458 -**Example:**
459 459  
460 -If payload is 0x64 = 100%
461 461  
432 +== 2.4 Bluetoothe Broadcast Payload ==
462 462  
463 -==== (% style="color:#4472c4" %)**BoxBat**(%%) ====
464 464  
465 -**Example:**
466 466  
467 -If payload is 0x46 = 70%
468 468  
469 469  
470 -==== (% style="color:#4472c4" %)**Food temperature**(%%) ====
471 -
472 -Because the food temperature data is a little-endian sequence, the order of the front and back bytes needs to be swapped during decoding.
473 -
474 -**Example**:
475 -
476 -If payload is: D300H = 00D3H, temp = 00D3H /10 = 21.1 degree
477 -
478 -If payload is: 3FFFH  = FF3F , temp = (FF3FH - 65536)/10 = -19.3 degrees.
479 -
480 -
481 -==== (% style="color:#4472c4" %)**Ambient temperature**(%%) ====
482 -
483 -Because the food temperature data is a little-endian sequence, the order of the front and back bytes needs to be swapped during decoding.
484 -
485 -**Example**:
486 -
487 -If payload is: D200H = 00D2H, temp = 00D2H /10 = 21.0 degree
488 -
489 -If payload is: 3FFFH  = FF3F , temp = (FF3FH - 65536)/10 = -19.3 degrees.
490 -
491 -
492 -
493 493  = 3. Configure DMT01  ~-~- 需要修改 =
494 494  
495 495  == 3.1 Configure Methods ==
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